1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * (C) 2016 SUSE Software Solutions GmbH |
4 | * Thomas Renninger <trenn@suse.de> |
5 | */ |
6 | |
7 | #include <unistd.h> |
8 | #include <stdio.h> |
9 | #include <errno.h> |
10 | #include <stdlib.h> |
11 | #include <stdint.h> |
12 | #include <string.h> |
13 | |
14 | #include <getopt.h> |
15 | |
16 | #include "powercap.h" |
17 | #include "helpers/helpers.h" |
18 | |
19 | int powercap_show_all; |
20 | |
21 | static struct option info_opts[] = { |
22 | { "all" , no_argument, NULL, 'a'}, |
23 | { }, |
24 | }; |
25 | |
26 | static int powercap_print_one_zone(struct powercap_zone *zone) |
27 | { |
28 | int mode, i, ret = 0; |
29 | char pr_prefix[1024] = "" ; |
30 | |
31 | for (i = 0; i < zone->tree_depth && i < POWERCAP_MAX_TREE_DEPTH; i++) |
32 | strcat(pr_prefix, "\t" ); |
33 | |
34 | printf("%sZone: %s" , pr_prefix, zone->name); |
35 | ret = powercap_zone_get_enabled(zone, &mode); |
36 | if (ret < 0) |
37 | return ret; |
38 | printf(" (%s)\n" , mode ? "enabled" : "disabled" ); |
39 | |
40 | if (zone->has_power_uw) |
41 | printf(_("%sPower can be monitored in micro Jules\n" ), |
42 | pr_prefix); |
43 | |
44 | if (zone->has_energy_uj) |
45 | printf(_("%sPower can be monitored in micro Watts\n" ), |
46 | pr_prefix); |
47 | |
48 | printf("\n" ); |
49 | |
50 | if (ret != 0) |
51 | return ret; |
52 | return ret; |
53 | } |
54 | |
55 | static int powercap_show(void) |
56 | { |
57 | struct powercap_zone *root_zone; |
58 | char line[MAX_LINE_LEN] = "" ; |
59 | int ret, val; |
60 | |
61 | ret = powercap_get_driver(line, MAX_LINE_LEN); |
62 | if (ret < 0) { |
63 | printf(_("No powercapping driver loaded\n" )); |
64 | return ret; |
65 | } |
66 | |
67 | printf("Driver: %s\n" , line); |
68 | ret = powercap_get_enabled(&val); |
69 | if (ret < 0) |
70 | return ret; |
71 | if (!val) { |
72 | printf(_("Powercapping is disabled\n" )); |
73 | return -1; |
74 | } |
75 | |
76 | printf(_("Powercap domain hierarchy:\n\n" )); |
77 | root_zone = powercap_init_zones(); |
78 | |
79 | if (root_zone == NULL) { |
80 | printf(_("No powercap info found\n" )); |
81 | return 1; |
82 | } |
83 | |
84 | powercap_walk_zones(root_zone, powercap_print_one_zone); |
85 | |
86 | return 0; |
87 | } |
88 | |
89 | int cmd_cap_set(int argc, char **argv) |
90 | { |
91 | return 0; |
92 | }; |
93 | int cmd_cap_info(int argc, char **argv) |
94 | { |
95 | int ret = 0, cont = 1; |
96 | |
97 | do { |
98 | ret = getopt_long(argc, argv, "a" , info_opts, NULL); |
99 | switch (ret) { |
100 | case '?': |
101 | cont = 0; |
102 | break; |
103 | case -1: |
104 | cont = 0; |
105 | break; |
106 | case 'a': |
107 | powercap_show_all = 1; |
108 | break; |
109 | default: |
110 | fprintf(stderr, _("invalid or unknown argument\n" )); |
111 | return EXIT_FAILURE; |
112 | } |
113 | } while (cont); |
114 | |
115 | powercap_show(); |
116 | return 0; |
117 | } |
118 | |